{
  "manageEntity": {
    "action": "Update",
    "entityId": "563998093",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera2cb2mkjpycvnigvmxo46jpucodtypduglvvfoevvt6iy2zz4sn2a\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":607510643},{\"type\":\"playlist\",\"playlist_id\":2080216210}]}}}",
    "nonce": "0x5aecf0b4f7428fd105db93bb052aa867c5b693b1df5576f3b97a6fa873def008",
    "signature": "0x724aabe37499d7ab84b50529218eb48f2d22bc088f0f5daae247094f85b7774766150acaf1f84662682df5cd5dbfe596a9fd30b3d61ceb595db3470f74a519ac1b",
    "signer": "0xc11D28404f39623f2A0d9D9eC6D9E5e4C8e06fEb",
    "userId": "563998093"
  }
}